Tizanidine Hydrochloride Capsule, Gelatin Coated
Product Images NDC 0591-2790

Product Visual Gallery

This gallery contains 7 technical images submitted to the FDA as part of the official labeling for Tizanidine Hydrochloride (NDC 0591-2790). Unlike standard consumer photos, these assets often include clinical data figures, molecular chemical structures, and official manufacturer packaging layouts.

As provided by Actavis Pharma, Inc., these visuals offer a comprehensive scientific overview of the product's physical and chemical identity, aiding pharmacists and researchers in product verification and study.

FDA Label Image

Structural Formula (Image 1)

Chemical structure of tizanidine hydrochloride, showing a chlorinated imidazoline ring fused to a thiazole ring with associated hydrochloride (HCl) notation.*

FDA Label Image

Figure 1: Mean Tizanidine Concentration Vs. Time Profiles For Tizanidine Hydrochloride Tablets And Capsules (2 × 4 mg) Under Fasted And Fed Conditions (Image 2)

Pharmacokinetic chart illustrating plasma tizanidine concentration (ng/mL) over 24 hours after dosing. The graph compares four conditions: 2 x 4 mg tizanidine tablets with food, without food, and 2 x 4 mg tizanidine capsules with food and without food, showing concentration peaks and decline over time post-dose.*

FDA Label Image

Figure 2: Single Dose Study—mean Change In Muscle Tone From Baseline As Measured By The Ashworth Scale ± 95% Confidence Interval (a Negative Ashworth Score Signifies An Improvement In Muscle Tone From Baseline) (Image 3)

A line graph illustrating improvement in Ashworth Score versus hours post-dose for 8 mg and 16 mg tizanidine doses compared to placebo. The graph shows data points at 0, 1, 2, 3, and 6 hours post-dose, with improvement scores increasing after dosing and then declining toward baseline by 6 hours, including error bars at each time point.*

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Figure 3: Seven Week Study—mean Change In Muscle Tone 0.5–2.5 Hours After Dosing As Measured By The Ashworth Scale ± 95% Confidence Interval (a Negative Ashworth Score Signifies An Improvement In Muscle Tone From Baseline) (Image 4)

A line chart depicting the improvement in Ashworth Score over time comparing tizanidine (mean dose 28.8 mg) to placebo. The x-axis represents three time points: End of Titration (Week 3), End of Maintenance (Week 7), and Endpoint (Last Observation Carried Forward). The y-axis shows improvement scores ranging from -6 to 2. Tizanidine, indicated by squares, consistently shows greater negative improvement values compared to placebo, indicated by circles, with error bars at each time point.*

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1 (Image 5)

Label for Tizanidine Hydrochloride Capsules 2 mg, gelatin coated oral capsules. The label shows it contains 150 capsules, is Rx only, and is manufactured for Teva Pharmaceuticals USA, Inc. It includes storage instructions, a warning that capsules are not interchangeable with tizanidine tablets or Zanaflex tablets, and a barcode. The label design features the Teva logo and batch information.*

FDA Label Image

1 (Image 6)

Label for Tizanidine Hydrochloride Capsules 4 mg, gelatin coated oral capsules. The label states each capsule contains 4.58 mg tizanidine hydrochloride equivalent to 4 mg tizanidine base. The package contains 150 capsules and is labeled for prescription use only. Manufactured for Teva Pharmaceuticals USA, Inc., the label includes a warning that these capsules are not interchangeable with tizanidine tablets or Zanaflex tablets.*

FDA Label Image

1 (Image 7)

Label for Tizanidine Hydrochloride Capsules 6 mg, gelatin coated oral capsules. The label includes a warning that these capsules are not interchangeable with tizanidine tablets or Zanaflex tablets. It states the quantity as 150 capsules per container and indicates the product is prescription only. The label also provides storage instructions and lists Teva Pharmaceuticals USA, Inc. as the manufacturer.*

* About these descriptions: Image descriptions on this page are generated by automated AI analysis of the product label images from the manufacturer's FDA label submission (SPL). They are provided for reference only and may contain errors or omissions. Always rely on the printed label itself and the official FDA labeling, and consult a pharmacist or healthcare professional with any questions about this product.